For sale is one used exhaust plenum air box for Mercury Mariner outboard motors.

The Mercury part number is 898103T91.  
The casting number on the box is 8M0000654.

This Mercury outboard exhaust plenum is not damaged or cracked.   

You will get one used Mercury 4 Stroke exhaust air box that is in great working condition.

This exhaust plenum should fit many Mercury Mariner 75-115 Hp 4 stroke EFI outboards from 2006 and newer.  It may fit more than this.  

Please research your application or email us with your Hp, year and serial number and we will check for you.

It is your responsibility to check if this part your application before ordering.

Thank you for shopping at Green Bay Prop!!

Jess